Home / 76,036.34-113,983.50-31,634.84

Finding the Fourth Proportional to 76,036.34, 113,983.50 and 31,634.84

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Solution

The fourth proportional to 76,036.34, 113,983.50 and 31,634.84 is: 47,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.34 : 113,983.50 = 31,634.84 : x
  2. Step 2: Convert to fraction form
    76,036.34/113,983.50 = 31,634.84/x
  3. Step 3: Cross multiply
    76,036.34x = 113,983.50 × 31,634.84
  4. Step 4: Simplify right side
    76,036.34x = 3,605,849,785.14
  5. Step 5: Solve for x
    x = 3,605,849,785.14/76,036.34
  6. Step 6: Final answer
    x = 47,422.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.